diff --git a/components/esp-face b/components/esp-face
index ecccc5b..07e9bab 160000
--- a/components/esp-face
+++ b/components/esp-face
@@ -1 +1 @@
-Subproject commit ecccc5beb9d159ddc30e6aad49a6db30bc42c701
+Subproject commit 07e9bab3fae52c927991bf884a62534555b48260
diff --git a/esp-idf b/esp-idf
index fb7ba1b..91aa35e 160000
--- a/esp-idf
+++ b/esp-idf
@@ -1 +1 @@
-Subproject commit fb7ba1baa068a2267ef54b7105cf3c8a004fe4eb
+Subproject commit 91aa35e8318509298cf1a391e6b2cbda03aad3a3
diff --git a/examples/single_chip/recognition_solution/main/app_httpserver.c b/examples/single_chip/recognition_solution/main/app_httpserver.c
index 728a51f..e78352f 100644
--- a/examples/single_chip/recognition_solution/main/app_httpserver.c
+++ b/examples/single_chip/recognition_solution/main/app_httpserver.c
@@ -291,7 +291,6 @@ esp_err_t facenet_stream_handler(httpd_req_t *req)
             if(!fmt2jpg(image_matrix->item, fb->width*fb->height*3, fb->width, fb->height, PIXFORMAT_RGB888, 90, &_jpg_buf, &_jpg_buf_len))
             {
                 ESP_LOGE(TAG, "fmt2jpg failed");
-                dl_matrix3du_free(image_matrix);
                 res = ESP_FAIL;
             }
             esp_camera_fb_return(fb);